diff --git a/lib/checkautovariables.cpp b/lib/checkautovariables.cpp
index 1bf5a76e5..b1f1e33f9 100644
--- a/lib/checkautovariables.cpp
+++ b/lib/checkautovariables.cpp
@@ -313,11 +313,14 @@ void CheckAutoVariables::errorReturnPointerToLocalArray(const Token *tok)
 
 void CheckAutoVariables::errorAutoVariableAssignment(const Token *tok)
 {
-    reportError(tok, Severity::error, "autoVariables", "Wrong assignment of an auto-variable to an effective parameter of a function");
+    reportError(tok, Severity::error, "autoVariables",
+                "Assigning address of local auto-variable to a function parameter.\n"
+                "Dangerous assignment - function parameter takes the address of a local "
+                "auto-variable. Local auto-variables are reserved from the stack. And the "
+                "stack is freed when the function ends. So the pointer to a local variable "
+                "is invalid after the function ends.");
 }
 
-
-
 // return temporary?
 bool CheckAutoVariables::returnTemporary(const Token *tok) const
 {
diff --git a/test/testautovariables.cpp b/test/testautovariables.cpp
index c721d685c..ba11a7d9c 100644
--- a/test/testautovariables.cpp
+++ b/test/testautovariables.cpp
@@ -91,7 +91,7 @@ private:
               "    int num = 2;\n"
               "    *res = #\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (error) Wrong assignment of an auto-variable to an effective parameter of a function\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (error) Assigning address of local auto-variable to a function parameter.\n", errout.str());
 
         check("void func1(int **res)\n"
               "{\n"
@@ -108,7 +108,7 @@ private:
               "    int num=2;"
               "    arr[0]=#\n"
               "}");
-        ASSERT_EQUALS("[test.cpp:3]: (error) Wrong assignment of an auto-variable to an effective parameter of a function\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:3]: (error) Assigning address of local auto-variable to a function parameter.\n", errout.str());
     }
 
     void testautovar_return()